The thing that always bothered me about the Rodney King episode was not so much the beating itself (other instances of which had been going on since at least the 40s) but the fact that so many LAPD officers stood around glad-handing one another while their fellow officers administered the beat-down. While Manuel Diaz lay dying, the Anaheim PD was more concerned with obstructing witnesses' views than with getting Diaz medical aid. IMHO, that is part of what the FBI should be investigating.